Diesel fuel guard



FIG. 1 is a perspective view of an example embodiment of a diesel fuel guard with the cap in a first closed position. The text, arrow, and decoration shown in broken lines is for illustration purposes only and forms no part of the claimed invention.

FIG. 2 is a perspective view of the embodiment of FIG. 1 with the cap in a second open position. The interior mechanism shown in broken lines is for illustration purposes only and forms no part of the claimed invention.

FIG. 3 is a front elevation view of the embodiment in FIG. 1.

FIG. 4 is a back elevation view of the embodiment in FIG. 1.

FIG. 5 is a left elevation view of the embodiment in FIG. 1.

FIG. 6 is right elevation view of the embodiment in FIG. 1.

FIG. 7 is top elevation view of the embodiment in FIG. 1. The text shown in broken lines is for illustration purposes only and forms no part of the claimed invention; and,

FIG. 8 is bottom elevation view of the embodiment in FIG. 1. The interior mechanism shown in broken lines is for illustration purposes only and forms no part of the claimed invention. 

CLAIM I claim the ornamental design for a diesel fuel guard, as shown and described. 